What is the purpose of the JavaScript map() function?OptionsTo create a new array by applying a function to each element of an existing arrayTo sort an array in ascending orderTo concatenate two arraysTo remove elements from an array
Question
What is the purpose of the JavaScript map() function?OptionsTo create a new array by applying a function to each element of an existing arrayTo sort an array in ascending orderTo concatenate two arraysTo remove elements from an array
Solution 1
The purpose of the JavaScript map() function is to create a new array by applying a function to each element of an existing array.
Solution 2
The purpose of the JavaScript map() function is to create a new array by applying a function to each element of an existing array.
Similar Questions
What does the forEach() method do in JavaScript arrays?Question 2Answera.Adds elements to the beginning of an arrayb.Removes elements from an arrayc.Iterates over each element of the array and executes a functiond.Sorts the elements in the array
Which of the following is true about Map in JS?Answer choicesSelect an optionIt creates a new array populated with the results of calling a provided function on every element in the calling arrayIt executes a reducer function (that you provide) on each element of the array, resulting in single output valueIt creates a new array with all elements that pass the test implemented by the provided functionNone of the mentioned options
What is the purpose of the JavaScript reduce() method?OptionsTo remove duplicates from an arrayTo iterate over the elements of an array and reduce them to a single valueTo filter elements in an arrayTo reverse the order of elements in an array
What is the purpose of the bind() method in JavaScript?OptionsTo concatenate two stringsTo create a new function that, when called, has a specific this valueTo remove an element from an arrayTo create a shallow copy of an object
Implement Array.prototype.map. To avoid overwriting the actual Array.prototype.map
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